David C. Hannah

Margaret J. McKinney is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Mediation. Margaret J., who practices law in Bethesda, Maryland, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret J. is held by other top lawyers in the same geographic and legal practice area.

Smith R. Brittingham IV is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Smith R., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Smith R. is held by other top lawyers in the same geographic and legal practice area.

Ellen K. Harrison advises clients on a broad range of tax issues, including estate planning and administration, tax controversies, and income, gift and estate tax planning for individuals, businesses and charitable organizations. She has significant experience drafting wills, trusts, powers of attorney, prenuptial arrangements and buy-sell agreements, as well as a broad range of corporate documents and family partnership agreements. Her tax controversy and litigation experience includes Inter...

Jonathan C. Puth is a founding member of Correia & Puth and is an advocate for the civil rights of employees in the Washington, DC area and nationally. Mr. Puth has successfully represented clients subjected to sexual harassment, workplace discrimination, and whistleblower retaliation, and employees seeking unpaid wages and commissions. Mr. Puth also represents executives, and negotiates employment contracts and severance agreements. Employee Rights Lawyer Serving the Greater Washington D...

Paul Devinsky advises clients on patent, trademark and trademark litigation and counseling, as well as copyright counseling. He is also active in intellectual property (IP) licensing, transactions and due diligence, as well as post-issuance US Patent and Trademark Office (USPTO) proceedings such as reissues and inter partes review, covered business method patent review and post grant review, and appellate (Federal Circuit) advocacy. Read full biography: https://www.mwe.com/people/devinsky-paul/

Daniel P. Lyon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Daniel P., who practices law in Leesburg, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel P. is held by other top lawyers in the same geographic and legal practice area.

Ms. Harden has 20 years of civil litigation experience in the Commonwealth of Virginia. She has litigated diverse and varied topics throughout her career including eminent domain, breach of contract, medical malpractice, construction defect, partition, establishment of prescriptive easement, professional liability, covenant enforcement, and actions to quiet title. In recent years, Ms. Harden’s practice has focused on representing condemning authorities in eminent domain matters. Ms. Har...

Seth Waxman is a former federal prosecutor and nationally recognized white collar criminal defense with more than two decades of experience handling high profile sensitive criminal and civil matters. Seth handles a wide array of challenging cases, ranging from the Flint water criminal investigation to complex internal investigations for Fortune 500 companies. Seth is a seasoned trial lawyer, having been lead counsel in more than sixty jury trials, thirty bench trials, and fifteen matters on a...

Eric Solomon is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Eric, who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric is held by other top lawyers in the same geographic and legal practice area.

Lynn L. Bergeson, Managing Partner of Bergeson & Campbell, P.C. (B&C®), has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), the European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) regulation, and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology,...